Probe mounting structure

Abstract

The utility model discloses a probe mounting structure, which relates to the field of probe seats, and adopts the technical scheme that the probe mounting structure comprises a probe seat, a mounting seat, a nut sleeve and a probe, an external thread is arranged on the side wall of the front section of the measuring needle seat, a contact table with a larger circle diameter is arranged at the rear end of the mounting seat, a conical structure is coaxially arranged on the rear end face of the contact table, and a conical hole structure matched with the conical structure is coaxially arranged on the front end face of the measuring needle seat; the orifice of the taper hole structure and the contact table are respectively provided with circumferential limiting structures which are matched with each other; the rear end of the nut sleeve is inwards provided with a limiting table hooked with the rear end edge of the contact table, and the front section thread of the nut sleeve is matched with the external thread; and the probe is fixed on the mounting seat. The installation precision is very high, the connection stability is better, manual installation errors of previous products are avoided, installation is more convenient and faster, and installation can be conducted in a tight fit mode through a single person and a single hand.

Description

Technical Field

[0001] The utility model relates to the field of measuring needle seats, in particular to a measuring needle installation structure. Background Art

[0002] The existing profilometer probe seat is composed of two positioning pins assembled into a cross-shaped positioning pin, and the fixed end of the probe mounting structure seat is a V-shaped groove, which is tangent to the pin of the probe seat to achieve the positioning effect. This installation method will have human errors, the size of the installation force, and the shaking of the hand when tightening the screw, which will cause a certain deviation of the probe mounting structure seat. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a measuring needle installation structure with very high installation accuracy and better connection stability. It will not have the human installation errors of previous products, and the installation is more convenient and quick, and can be installed tightly by one person with one hand.

[0004] The utility model solves the technical problem by adopting the following technical solution: a measuring needle installation structure, comprising a measuring needle seat, a mounting seat, a nut sleeve and a measuring needle;

[0005] The front side wall of the measuring needle seat is provided with an external thread, the rear end of the mounting seat is provided with a contact table with a larger circular diameter, the rear end surface of the contact table is coaxially provided with a cone structure, the front end surface of the measuring needle seat is coaxially provided with a tapered hole structure adapted to the tapered structure, and the orifice of the tapered hole structure and the contact table are respectively provided with mutually adapted circumferential limiting structures;

[0006] A limit platform hooked with the rear end of the contact platform is provided inwardly at the rear end of the nut sleeve, and the front thread of the nut sleeve is adapted to the external thread;

[0007] The measuring needle is fixed to the mounting seat.

[0008] The conical structure and tapered hole structure of this scheme can realize rapid alignment of the mounting base and the probe base to achieve high-precision matching. The locking nut can realize a stable connection between the two. The circular limit structure can prevent the mounting base from rotating in a circle. The overall connection has very high accuracy and better connection stability. It can be completed with one hand, and the operation is more convenient and simple.

[0009] Preferably, the outer wall of the nut sleeve is provided with an anti-skid layer to increase friction and facilitate the rotation of the nut sleeve.

[0010] Preferably, the anti-slip layer is knurled, which is more durable.

[0011] Preferably, a fixing hole is provided on the side wall of the mounting seat, and the rear end of the measuring needle is radially fixed to the fixing hole, so as to facilitate the installation of the measuring needle.

[0012] Preferably, a slot is provided on the rear end side wall of the measuring needle, a hole is provided on the side wall of the fixing hole, a latch is provided in the hole, and a latch pin is provided in the hole, and the front end of the latch pin extends and latches into the slot, so that the measuring needle can be installed more simply and quickly.

[0013] Preferably, the slot is an annular slot, which is more convenient for matching with the bayonet pin.

[0014] Preferably, the circumferential limiting structure includes protrusions uniformly distributed at the opening of the tapered hole structure and grooves uniformly distributed at the rear end surface of the contact stage, and the protrusions and the grooves are adapted to each other, so that the adaptation combination can be simpler and faster.

[0015] Preferably, the protrusion and the plurality of grooves are in a cross structure, which has better combination efficiency and higher strength.

[0016] Beneficial effects of the utility model:

[0017] This solution has a very high installation accuracy and better connection stability. It will not have the human installation errors of previous products. It is also more convenient and quicker to install. One person can install it tightly with one hand. There is no need to use an Allen wrench to tighten the top screw when changing the needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only four of the drawings of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0020] Figure 2 A cross-sectional view of an embodiment of the utility model;

[0021] Figure 3 A schematic diagram of a mounting base and a measuring needle according to an embodiment of the utility model;

[0022] Figure 4 A schematic diagram of a probe holder according to an embodiment of the utility model;

[0023] Among them, 1. probe seat; 2. nut sleeve; 3. mounting seat; 4. probe; 5. fixing hole; 6. clamping hole; 7. clamping slot; 8. tapered hole structure; 9. conical structure; 10. groove; 11. contact table; 12. external thread; 13. protrusion. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0025] Example

[0026] like Figure 1 and Figure 2 As shown, a measuring needle installation structure includes a measuring needle seat 1, a mounting seat 3, a nut sleeve 2 and a measuring needle 4; the front side wall of the measuring needle seat 1 is provided with an external thread 12, combined with Figure 3 As shown, a contact platform 11 with a larger circular diameter is provided at the rear end of the mounting seat 3, a conical structure 9 is coaxially provided on the rear end face of the contact platform 11, a conical hole structure 8 adapted to the conical structure 9 is coaxially provided on the front end face of the measuring needle seat 1, and the orifice of the conical hole structure 8 and the contact platform 11 are respectively provided with mutually adapted circumferential limiting structures; a limiting platform hooked along the rear end of the contact platform 11 is provided inwardly at the rear end of the nut sleeve 2, and the front thread of the nut sleeve 2 is adapted to the external thread 12; the measuring needle 4 is fixed to the mounting seat 3.

[0027] The conical structure 9 and the conical hole structure 8 of this scheme can realize rapid alignment between the mounting base 3 and the probe base 1 to achieve high-precision matching. The locking nut can realize a stable connection between the two. The circular limit structure can prevent the mounting base 3 from rotating in a circle. The overall connection has a very high accuracy and better connection stability. It can be completed with one hand, and the operation is more convenient and simple.

[0028] The outer wall of the nut sleeve 2 is provided with an anti-skid layer to increase friction and facilitate the rotation of the nut sleeve 2.

[0029] The anti-slip layer is knurled and more durable.

[0030] The side wall of the mounting seat 3 is provided with a fixing hole 5, and the rear end of the measuring needle 4 is radially fixed to the fixing hole 5, so as to facilitate the installation of the measuring needle 4.

[0031] The rear end side wall of the measuring pin 4 is provided with a card slot 7, the side wall of the fixing hole 5 is provided with a card hole 6, a card pin is provided in the card hole 6, and the front end of the card pin extends and is inserted into the card slot 7. The measuring pin 4 can be installed more simply and quickly. The card slot 7 is an annular groove, which is more convenient to adapt to the card pin.

[0032] Combination Figure 4 As shown, the circumferential limiting structure includes protrusions 13 uniformly distributed on the opening of the tapered hole structure 8 and grooves 10 uniformly distributed on the rear end surface of the contact platform 11, and the protrusions 13 and the grooves 10 are adapted to each other, so that the adaptation combination can be simpler and faster.

[0033] The protrusion 13 and the plurality of grooves 10 are in a cross structure, respectively, so that the combination efficiency is better and the strength is higher.

[0034] Beneficial effects of the utility model:

[0035] This solution has a very high installation accuracy and better connection stability. It will not have the human installation errors of previous products. It is also more convenient and quicker to install. One person can install it tightly with one hand. There is no need to use an Allen wrench to tighten the top screw when changing the needle.

[0036] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A measuring needle installation structure, characterized in that: It comprises a measuring needle seat (1), a mounting seat (3), a nut sleeve (2) and a measuring needle (4); The front side wall of the measuring needle seat (1) is provided with an external thread (12); the rear end of the mounting seat (3) is provided with a contact platform (11) with a larger circular diameter; the rear end surface of the contact platform (11) is coaxially provided with a conical structure (9); the front end surface of the measuring needle seat (1) is coaxially provided with a conical hole structure (8) adapted to the conical structure (9); the orifice of the conical hole structure (8) and the contact platform (11) are respectively provided with mutually adapted circumferential limiting structures; A limiting platform is provided inwardly at the rear end of the nut sleeve (2) and is hooked with the rear end of the contact platform (11), and the front thread of the nut sleeve (2) is adapted to the external thread (12); The measuring needle (4) is fixed to the mounting seat (3).

2. A measuring needle installation structure according to claim 1, characterized in that: The outer wall of the nut sleeve (2) is provided with an anti-slip layer.

3. A measuring needle installation structure according to claim 2, characterized in that: The anti-slip layer is knurled.

4. A measuring needle installation structure according to claim 1, characterized in that: A fixing hole (5) is provided on the side wall of the mounting seat (3), and the rear end of the measuring needle (4) is radially fixed to the fixing hole (5).

5. A measuring needle mounting structure according to claim 4, characterized in that: A slot (7) is provided on the rear end side wall of the measuring needle (4), a slot hole (6) is provided on the side wall of the fixing hole (5), a slot pin is provided in the slot (6), and a front end of the slot pin extends and is slotted into the slot (7).

6. A measuring needle mounting structure according to claim 5, characterized in that: The clamping groove (7) is an annular groove.

7. A measuring needle installation structure according to claim 1, characterized in that: The circumferential limiting structure comprises protrusions (13) uniformly distributed at the opening of the tapered hole structure (8) and grooves (10) uniformly distributed on the rear end surface of the contact platform (11), and the protrusions (13) and the grooves (10) are adapted to each other.

8. A measuring needle mounting structure according to claim 7, characterized in that: The protrusion (13) and the plurality of grooves (10) are respectively in a cross structure.

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